Iccdev
CVE-2026-21504
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Heap buffer bounds checking
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS 6.6 (MEDIUM). Attack vector: Local. Complexity: Low. Privileges required: None. User interaction: Required. Public exploit/POC available. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability to compromise the affected system. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Heap buffer overflow in iccDEV's ToneMap parser (versions prior to 2.3.1.2) allows local attackers with user interaction to achieve information disclosure and denial of service, with potential for code execution. Public exploit code exists for this vulnerability. Update to version 2.3.1.2 or later to remediate.
Earlier versions of this analysis (1)
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to heap buffer overflow in the ToneMap parser. [CVSS 6.6 MEDIUM]
RemediationAI
A vendor patch is available — apply it immediately. Fixed in version 2.3.1.2.. Enable ASLR, DEP/NX, and stack canaries where possible.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-122 (Heap-based Buffer Overflow). Affects Iccdev. iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to heap buffer overflow in the ToneMap parser. This issue has been patched in version 2.3.1.2.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
Lifecycle Timeline
3DescriptionGitHub Advisory
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to heap buffer overflow in the ToneMap parser. This issue has been patched in version 2.3.1.2.
Executive ViewAI
CVE-2026-21504 presents notable security risk, a heap-based buffer overflow vulnerability rated CVSS 6.6. Exploitation could cause memory corruption or application crashes. Proof-of-concept code is publicly available. A patch is available and should be applied during regular vulnerability management.
Apply vendor patch. If patching is delayed: enable ASLR/DEP, apply network segmentation.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
Affected Products (CPE)GitHub Advisory
iccDEV ICC color profile library (through 2.3.1) has a use-after-free in CIccXform::Create() when processing hint object
Heap buffer overflow in iccDEV versions 2.3.1.1 and below allows remote code execution through maliciously crafted ICC c
Heap buffer overflow in iccDEV versions 2.3.1.1 and below allows remote code execution when processing maliciously craft
Heap buffer overflow in iccDEV versions 2.3.1.1 and earlier allows remote code execution through maliciously crafted ICC
Type confusion in iccDEV library versions before 2.3.1.2 allows unauthenticated attackers to achieve remote code executi
iccDEV color management library versions 2.3.1 and earlier contain undefined behavior in the CLUT initialization functio
iccDEV ICC color profile libraries versions 2.3.1.1 and earlier suffer from undefined behavior and out-of-memory errors
Heap buffer overflow in iccDEV versions before 2.3.1.2 allows remote code execution when processing malicious ICC color
Type confusion in iccDEV versions before 2.3.1.2 allows attackers to corrupt memory and achieve high-impact outcomes inc
Type confusion in iccDEV versions before 2.3.1.2 allows unauthenticated attackers to achieve remote code execution throu
Heap buffer overflow in iccDEV versions before 2.3.1.2 allows remote code execution when processing malicious ICC color
Heap buffer overflow in iccDEV versions prior to 2.3.1.2 allows remote attackers to execute arbitrary code through the C
Exploit-DB